Electric Mattress

ABSTRACT

An electric mattress ( 1 ) includes a mattress frame ( 10 ) including a backrest section ( 101 ), a seat section ( 102 ), a thigh section ( 103 ) supporting a user&#39;s thighs, and a shank section ( 104 ) supporting a user&#39;s shanks, and a mattress cover ( 11 ) enclosing the mattress frame ( 10 ). The backrest section ( 101 ) and the seat section ( 102 ), the seat section ( 102 ) and the thigh section ( 103 ), and the thigh section ( 103 ) and the shank section ( 104 ) are rotatably connected, and angles between the backrest section ( 101 ) and the seat section ( 102 ), and between the seat section ( 102 ) and the thigh section ( 103 ) are able to be adjusted to predetermined angles.

TECHNICAL FIELD

The present utility model relates to a mattress, and more particularly to an electric mattress capable of adjusting angles between components of an electric mattress.

BACKGROUND

As living standards and quality of life keep on improving, adjustable beds are needed, so that people can choose the most comfortable lying posture according to personal preference. Bed with this function is called pulldown bed.

In the prior art, the pulldown beds usually have a fixed bed frame and a movable body. Specifically, such a pulldown bed has a driving device on the bed frame to move the front, middle and rear portion of the body to appropriately adjust angles between the above components to meet various needs of different users. If the driving device is a motor, the pulldown bed is called an electric bed.

In the prior art, the body of the pulldown bed has a body frame and a mattress, the body frame is formed by movably bolting multiple-node decks or racks, the mattress is formed by putting plural mattress bodies together, each of the mattress bodies has a size corresponding to the decks or racks. The mattress bodies can be arranged to be independent from each other, or are joined together, by a bedspread, to form an integral mattress.

As described above, in the prior art, each part of the pulldown bed is relatively independent, the driving device of the bed frame is usually exposed, and the structure of the pulldown bed is more or less cumbersome. This makes the pulldown bed inconvenient in use. In addition, since generally the bed frame is heavy, it is usually only used indoors, and it is difficult to change the location once the pulldown bed is set to a position, this makes the pulldown bed quite inconvenient in use. Furthermore, the aesthetical fatigue may be caused after the pulldown bed is used for a long time.

SUMMARY

In view of the above problems, the present utility model provides an electric mattress capable of adjusting angles between components of the electric mattress flexibly and easily.

According to the first aspect of the utility model, an electric mattress comprising: a mattress frame including a backrest section, a seat section, a thigh section supporting a user's thighs, and a shank section supporting a user's shanks, and a mattress cover enclosing the mattress frame (10), wherein, the backrest section and the seat section, the seat section and the thigh section, and the thigh section and the shank section are rotably connected, and angles between the backrest section (101) and the seat section, and between the seat section and the thigh section are able to be adjusted to predetermined angles.

According to the second aspect of the utility model, the seat section is provided with a first electric driving device and a second electric driving device, the first electric driving device drives the backrest section to rotate relative to the seat section, and the second electric driving device drives the thigh section to rotate relative to the seat section.

According to the third aspect of the utility model, the first electric driving device drives the backrest section to rotate upward relative to the seat section, and the second electric driving device drives the thigh section to rotate upward relative to the seat section, while the shank section rotates downward relative to the thigh section by gravity.

According to the fourth aspect of the utility model, the first electrical driving device includes a first motor, and a first motor pushrod connected thereto, the first motor is fixed to a first motor mount of the seat section, and the first motor pushrod is fixed to a first motor pushrod mount which is fixed to a rotary shaft rotating along with the backrest section; the second electric driving device includes a second motor and a second motor pushrod connected thereto, the second motor is fixed to a second motor mount of the seat section, and the second motor pushrod is fixed to a second motor pushrod mount which is fixed to a rotary shaft rotating along with the thigh section.

According to the fifth aspect of the utility model, the angle between the backrest section and the seat section is in a range from 104 degrees to 180 degrees, and the angle between the thigh section and the seat section is in a range from 138 degrees to 180 degrees.

According to the sixth aspect of the utility model, the mattress frame further includes a base section that is securely connected to the bottom of the seat section.

According to the seventh aspect of the utility model, the mattress cover has a sponge as an internal layer, and a jute board as an outer layer.

According to the eighth aspect of the utility model, the mattress frame further includes a controller that separately controls the first electric driving device and the second electric driving device.

According to the ninth aspect of the utility model, the controller is a wire controller.

According to the tenth aspect of the utility model, the controller is a wireless controller.

According to the present utility model, since the electric mattress of the present utility model has a built-in motor, it achieves the same advantages as an electric bed. It can either be used indoors or outdoors, as long as there is power supply nearby. Moreover, according to the present utility model, the mattress and the bed frame can be separated, and this allows various needs of consumers in different situations to be met.

BRIEF DESCRIPTION

FIG. 1 is a perspective view of the electric mattress according to an embodiment of the present utility model.

FIG. 2 is a partial cross-sectional view of the electric mattress according to the embodiment of the present utility model.

FIG. 3 is a perspective view of a mattress frame of the electric mattress of the embodiment of the present utility model, showing a condition without angle-adjustment.

FIG. 4 is a perspective view of a mattress frame of the electric mattress of the embodiment of the present utility model, showing a condition after angle adjustment.

FIGS. 5A and 5B are perspective views showing the operation principle of a seat section of the mattress frame.

FIGS. 6A and 6B are side views showing the operation principle of the seat section of the mattress frame.

FIG. 7 is a perspective view of the backrest section of the mattress frame.

FIG. 8 is a perspective view of the seat section of the mattress frame.

FIG. 9 is a perspective view of thigh section of the mattress frame.

FIG. 10 is a perspective view of a shank section of the mattress frame.

FIGS. 11A and 11B are perspective views of the base section of the mattress frame.

DETAILED DESCRIPTION

In the following, specific embodiments of the electric mattress according to the present utility model is described in detail in conjunction with the accompanying drawings to further clarify the present utility model clearer. In the drawings, the same or corresponding components are given the same reference numerals. It should be noted that the following descriptions are just preferred embodiments of the present utility model, and the present utility model is not limited to the embodiments.

FIG. 1 is a perspective view of the electric mattress 1 according to an embodiment of the utility model.

As shown in FIG. 1, different from the prior art, the electric mattress 1 does not need to be used with the bed frame. Because a built-in electric driving device (not shown) is provided in the electric mattress 1, the electric mattress 1 can be adjusted to any desired angular position comfortable to the user, for example, as shown in FIG. 1, when the backrest section is raised, it is convenient for a user to lie thereon to read, and it is also convenient for crippled elderly to live independently. When the thigh section is raised, it is possible to improve blood circulation, reduce heart pressure, and thus improve heart health.

The electric mattress 1 of this embodiment needs an external power supply, and it can be put at any place as long as a power supply is available, for example, a living room, a balcony, or a courtyard. Alternatively, the electric mattress 1 may have a built-in rechargeable power source. In this case, the electric mattress may have broader application, as long as a power supply is available.

Although not shown in FIG. 1, the electric mattress 1 also has a controller that controls a built-in electric driving device of the mattress, thereby adjusting angles between components of the electric mattress. The controller may be a wired controller, or a wireless controller.

In addition, in order to facilitate washing and cleaning, the outside of the electric mattress 1 may be covered by a “detachable cover”.

The structure of the electric mattress 1 is described in detail below with reference to FIGS. 2-4.

FIG. 2 is a partial cross-sectional view of the electric mattress according to the embodiment of the utility model.

As shown in FIG. 2, the electric mattress 1 has a mattress frame 10 and a mattress cover 11 enclosing the mattress frame 10.

In FIG. 2, the mattress frame 10 is mainly composed of a steel frame 20 functioning as a skeleton and an iron sheet 21 functioning as a surface supporting element. The mattress frame 10 may also be composed of an iron frame and a steel mesh.

In FIG. 2, the mattress cover 11 is composed of a sponge 22 and a jute board 23. Side surfaces of the mattress frame 10 are formed by a high-resilience sponge, bottom surface is formed by an ordinary sponge, and top surface, in order for user's comfort, is formed by a double-layer structure of high resilience sponge and jute board. Alternatively, according to various requirements of users, coir can be used instead of jute.

FIG. 3 is a perspective view of the mattress frame 10 of the electric mattress 1, showing a condition without angle-adjustment.

As shown in FIG. 3, the mattress frame 10 includes a backrest section 101, a seat section 102, a thigh section 103 and a shank section 104 which support a user's back, buttocks, thighs and shanks, respectively. The backrest section 101 and the seat section 102, the seat section 102 and the thigh section 103, and the thigh section 103 and the shank section 104 are rotably connected, and angles between the backrest section 101 and the seat section 102, and between the seat section 102 and the thigh section 103 are able to be adjusted to predetermined angles.

In addition, the mattress frame 10 also has a base section 105 that is secured connected to the bottom of the seat section 102. The base section 105 supports and keeps equilibrium of the mattress frame 10.

In FIG. 3, the mattress frame 10 is in a pulldown state, in this state, the appearance of the electric mattress 1 is just the same as an ordinary mattress.

FIG. 4 is a perspective view of the mattress frame 10 of the electric mattress 1, showing a condition after angle-adjustment.

As shown in FIG. 4, the backrest section 101 of the mattress frame 10 is rotated upwardly relative to the seat section 102, the thigh section 103 is also rotated upwardly relative to the seat section 102, while the shank section 104 rotates downwardly relative to the thigh section 103 by gravity.

In the state of FIG. 4, the appearance of the electric mattress 1 is as shown in FIG. 1. This state is achieved by rotating the backrest section 101 and the thigh section 103 relative to the seat section 102.

Referring to FIGS. 5A, 5B, 6A and 6B, the angle adjustment principle of the electric mattress 1 will be described in detail.

FIGS. 5A and 5B are perspective views showing the operation principle of the seat section 102 of the mattress frame 10.

FIGS. 6A and 6B are side views showing the operation principle of the seat section 102 of the mattress frame 10.

The seat section 102 is provided with a first electrical driving device and a second electrical driving device.

As shown in FIG. 5A, the first electrical driving device includes a first motor 106 and a first motor pushrod 107 connected thereto. The first motor 106 is fixed to a first motor mount 110 of the seat section 102, and the first motor pushrod 107 is fixed to a first motor pushrod mount 112 which is fixed to a rotary shaft 113 rotating along with the backrest section 101.

Also as shown in FIG. 5A, the second electric driving device includes a second motor 108 and a second motor pushrod 109 connected thereto. The second motor 108 is fixed to a second motor mount 111 (see FIG. 8) of the seat section 102, and the second motor pushrod 109 is fixed to a second motor pushrod mount 115 which is fixed to a rotary shaft 116 rotating along with the thigh section 103.

FIG. 5A shows a state in which the angle of the backrest section 101 and the angle of the thigh section 103 have been adjusted.

For comparison, FIG. 5B shows a state in which the angles of the backrest section 101 and the thigh section 103 have not been adjusted.

Referring to FIGS. 6A and 6B, similarly, FIG. 6A shows a state in which the angles of the backrest section 101 and the thigh section 103 have been adjusted, and FIG. 6B shows a state in which angles of the backrest section 101 and the thigh section 103 have not been adjusted.

As shown in FIG. 6A, the angle between the backrest 101 (the rotation fixing plates 114) and the seat section 102 is in the range from 104 degrees to 180 degrees, and the angle between the thigh section 103 (rotation fixing plates 117) and the seat section 102 is in the range from 138 degrees to 180 degrees.

It should noted that the above angle ranges are merely examples, by selecting the stroke lengths of the first motor 106 and the second motor 107, the angle ranges can be changed.

In the following, components of the mattress frame 10 are described with reference to FIGS. 7 to 11A and 11B.

FIG. 7 is a perspective view of the backrest section 101 of the mattress frame 10.

As shown in FIG. 7, the backrest section 101 is fixed to rotation fixing plates 114. The first motor pushrod mount 112 is connected to the first motor pushrod 107 (see FIG. 5A). The first motor pushrod mount 112 and the rotation fixing plates 114 are fixed to the rotary shaft 113 and rotate therewith. The rotation fixing plates 114 are fixed to the backrest section 101, and drive the backrest section 101 to rotate together when the rotary shaft 113 is rotated.

FIG. 8 is a perspective view of the seat section 102 of the mattress frame 10.

In FIG. 8, the two motors 106 and 108 are not illustrated, but only the first motor mount 110 and the second motor mount 111 are illustrated. FIG. 8 shows the rotation fixing plates 118 fixed to the thigh section 103. Because connections between the seat section 102 and the backrest section 101 and the thigh section 103 have been described in detail in connection with FIG. 5A, overlapping description is omitted here. In addition, the seat section 102 is provided with screw holes 121′ and 122′ to fix the seat section 102 to the base section 105 by bolts.

FIG. 9 is a perspective view of the thigh section 103 of the mattress frame 10.

The second motor pushrod 109 is connected to the second motor pushrod mount 115. The second motor pushrod mount 115 and the rotary fixing plates 117 are fixed to the rotary shaft 116 and rotate therewith. The rotation fixing plates 118 are fixed to the thigh section 103, and drive the thigh section 103 to rotate together when the rotary shaft 116 rotates. Further, as shown in FIG. 9, at one side of the thigh section 103, there is provided a pair of connectors 119 for engagement with the shank section 104.

FIG. 10 is a perspective view of the shank section 104 of the mattress frame 10. One side of the shank section 104, there is provided a pair of U-shaped connectors 120. The connectors 119 of the thigh section 103 are engaged with the U-shaped connectors of the shank section 104, while allowing relative rotation of the thigh section 103 and the shank section 104.

FIGS. 11A and 11B are perspective views of the base section 105 of the mattress frame 10.

As shown in FIGS. 11A and 11B, the base section 105 is a rectangular frame, a pair of mounting members 121 and 122 are arranged on the long sides of the base section 105, respectively for engagement with the screw holes 121′ and 122′ of the seat section 102 d by bolts or the like, for example, refer to FIG. 8. Role of the base section 15 is to support and keep equilibrium of the entire mattress frame 10.

According to the electric mattress of the present utility model as described above, angles between the backrest section 101 and the seat section 102, and between the seat section 102 and the thigh section 103 can be continuously adjusted to any angle, as desired by the user, within a certain range, which allows the user to easily find the most comfortable posture of the electric mattress, so that the electric mattress comfortably support the user's back, buttocks, thighs and shanks. Further, after a period of time of use, the user can change the angle between the backrest section 101 and the seat section 102, or the angle between the seat section 102 and the thigh section 103 at any time to change his posture.

The above embodiments are merely examples for illustration of the principles of the present utility model, and the present utility model is not limited to the embodiments. Those of ordinary skill in the art can make various changes and modifications, without departing from the spirit and substance of the utility model. Such variations and modifications also fall in the scope of protection of the utility model. 

What is claimed is:
 1. An electric mattress comprising: a mattress frame including a backrest section, a seat section, a thigh section supporting a user's thighs, and a shank section supporting a user's shanks, and a mattress cover enclosing the mattress frame, wherein, the backrest section and the seat section, the seat section and the thigh section, and the thigh section and the shank section are rotatably connected, and angles between the backrest section and the seat section, and between the seat section and the thigh section are able to be adjusted to predetermined angles.
 2. The electric mattress according to claim 1, wherein, the seat section is provided with a first electric driving device and a second electric driving device, the first electric driving device drives the backrest section to rotate relative to the seat section, and the second electric driving device drives the thigh section to rotate relative to the seat section.
 3. The electric mattress according to claim 2, wherein, the first electric driving device drives the backrest section to rotate upward relative to the seat section, and the second electric driving device drives the thigh section to rotate upward relative to the seat section while the shank section rotates downward relative to the thigh section by gravity.
 4. The electric mattress according to claim 3, wherein, the first electrical driving device includes a first motor, and a first motor pushrod connected thereto, the first motor is fixed to a first motor mount of the seat section, and the first motor pushrod is fixed to a first motor pushrod mount which is fixed to a rotary shaft rotating along with the backrest section; the second electric driving device includes a second motor and a second motor pushrod connected thereto, the second motor is fixed to a second motor mount of the seat section, and the second motor pushrod is fixed to a second motor pushrod mount which is fixed to a rotary shaft rotating along with the thigh section.
 5. The electric mattress according to claim 3, wherein, the angle between the backrest section and the seat section is in a range from 104 degrees to 180 degrees, and the angle between the thigh section and the seat section is in a range from 138 degrees to 180 degrees.
 6. The electric mattress according to claim 3, wherein, the mattress frame further includes a base section that is securely connected to the bottom of the seat section.
 7. The electric mattress according to claim 3, wherein, the mattress cover has a sponge as an internal layer, and a jute board as an outer layer.
 8. The electric mattress according to claim 1, further including: a controller that separately controls the first electric driving device and the second electric driving device.
 9. The electric mattress according to claim 8, wherein, the controller is a wire controller.
 10. The electric mattress according to claim 8, wherein, the controller is a wireless controller. 